Mounting the wheel
NOTE:
TECHNICAL INFORMATION
The contact surface between the brake disc and the wheel rim must be clean and free from oil and grease. There is otherwise a risk of the wheel becoming loose at a later time.
The contact surface between the brake disc and the wheel rim must be clean and free from oil and grease. There is otherwise a risk of the wheel becoming loose at a later time.
- Remove dirt, grease residues and corrosion from the contact surface with a drill and the special tool 2 344 011
.
Do not operate special tool 2 344 011 with an impact screwdriver.
- Degrease the contact surfaces with the universal cleaner (see applicable BMW Parts Catalogue).
- In the event of grease residues in the area of the wheel bolt holes, remove and clean the brake disk.
- Remove dirt, grease residues and corrosion from the contact surface with a drill and the special tool 2 344 011
.
Do not operate special tool 2 344 011 with an impact screwdriver.
- Degrease the contact surfaces with the universal cleaner (see applicable BMW Parts Catalogue).
- Check if the mounting bolt (1) has been fitted correctly for the brake disk.
The mounting bolt (1) for the brake disk cannot protrude on the contact surface (2) between the brake disk and the rim.
- Lightly grease the wheel centering (1) in the rim.CONSUMABLE SPECIFICATION
Brake block paste
* TU = Trade Unit. TU numbers cannot be ordered! For invoicing purposes only.3 g, Bag 83192158851 100 g, Tube 83192158852 5 g, TU* 83230140233 - Apply a thin layer of grease to the front and rear wheel hubs (1) to protect against corrosion.CONSUMABLE SPECIFICATION
Brake block paste
* TU = Trade Unit. TU numbers cannot be ordered! For invoicing purposes only.3 g, Bag 83192158851 100 g, Tube 83192158852 5 g, TU* 83230140233 NOTE: TECHNICAL INFORMATION
A wheel lifter is recommended for easier wheel removal and installation without exertion (see applicable BMW Parts Catalogue). - In vehicles with M Carbon ceramic brake: The wheel lifter must be used to install the wheel
.
This process is intended to prevent damage to the brake disc.
Check
- Check lug bolts for wear
.
Result
» Spots (> 30%) of the bearing surface (1) of the taper on the screw head show silvery wear.
Measure
- Replace lug bolts.
NOTE: TECHNICAL INFORMATION
Never use an impact screwdriver or electric screwdriver to apply and tighten the lug bolts.
The rim must rest evenly against the brake disc.
In the case of non-original BMW lug bolts/wheel rims, it may be necessary to retighten the lug bolts on user account of setting properties (refer to the documentation/instructions from the manufacturer).
Do not apply oil to new lug bolts. - Replace the corroded lug bolts (arrows).
- Clean wheel bolts (arrows).
- Check lug bolts (arrows) and threads for damage, replace lug bolts (arrows) if necessary.
- Join and tighten the lug bolts (arrows).
TIGHTENING TORQUE SPECIFICATION
| Lug bolts | ||
| M14/SW17 Screw in lug bolts and evenly tighten crosswise by hand in order to center the wheel rim. Tighten lug bolts to the prescribed tightening torque with a calibrated torque wrench in a crosswise sequence. Check all the lug bolts in the same order or retighten to the prescribed tightening torque again. |
tightening torque | 140 Nm |
| Check | 140 Nm | |
Follow-up work
- Refer to RESETTING THE TIRE PRESSURE MONITOR .